How to Use the Digital Rotary Torque Sensor for Measurement?

Hello, I was wondering what needs to be done to measure the dynamic torque using the ATO-TQS-D03 digital rotary torque sensor.

Notta wrote:
Please refer to the following notes:
1. When turning on the 24V power supply, please make sure that other signal wires are not short-circuited.
2. It is forbidden to knock the shaft body. Because knocking may cause the screen to be broken, blurry or black screen, or even the shaft body to break.
3. When the no-load torque value of the installation test is large, please adjust the coaxiality of the tooling.
4. Do not change the internal parameters at will.
5. For stability, the sensor housing and shield wire must be grounded.

I have a couple more questions about this digital rotary torque sensor.
1. What qualifies as knocking the body?
2. When measuring dynamic torque do we need to mount the transducer or can it be free floating?
3. Do we need to have anything attached to the other end of the transducer during measurements?
4. Is there any special settings for static versus dynamic torque on the device?

Notta wrote:
1. The shaft body cannot be impacted by force, so the shaft body cannot be knocked.
2. When measuring dynamic torque, the coaxiality should be adjusted well before fixing the casing. Please refer to the attached picture.
3. Are you measuring the motor or what? Torque can only be measured when there is an interaction force. When measuring the motor, add a brake on the other end of the transducer; when measuring the product, the motor should drive the torque transducer end, and measure the product at the other end of the torque transducer.
4. There is no special setting for static and dynamic torque on the device.